@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700&family=Space+Mono:wght@400;700&display=swap');
:root {
  --bg:#0f0f0f; --surface:#1a1a1a; --surface2:#242424; --surface3:#2c2c2c;
  --border:#2e2e2e; --border2:#3a3a3a;
  --accent:#e8ff47; --accent2:#47c8ff;
  --text:#f0f0f0; --muted:#888;
  --warn:#ffa000; --danger:#ff5a5a; --ok:#50dc78;
  --odd:#e8ff47; --even:#47c8ff;
  --r:10px;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{background:var(--bg);color:var(--text);font-family:'Noto Sans KR',sans-serif;min-height:100vh;overflow-x:hidden;}
body::before{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);background-size:40px 40px;pointer-events:none;z-index:0;}

/* ── Layout ── */
.wrapper{position:relative;z-index:1;max-width:900px;margin:0 auto;padding:40px 20px 80px;}
.header{margin-bottom:40px;}
.tag{font-family:'Space Mono',monospace;font-size:11px;letter-spacing:3px;color:var(--accent);text-transform:uppercase;margin-bottom:10px;}
h1{font-size:clamp(24px,4vw,40px);font-weight:700;line-height:1.1;letter-spacing:-1px;}
h1 span{color:var(--accent);}
.subtitle{margin-top:10px;color:var(--muted);font-size:13px;line-height:1.7;}

/* ── Tabs ── */
.tabs{display:flex;gap:0;margin-bottom:32px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;}
.tab-btn{flex:1;padding:14px 20px;border:none;background:none;color:var(--muted);font-family:'Space Mono',monospace;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;cursor:pointer;transition:all .2s;position:relative;}
.tab-btn.active{background:var(--accent);color:#0f0f0f;font-weight:700;}
.tab-btn:not(.active):hover{color:var(--text);background:var(--surface2);}
.tab-content{display:none;}
.tab-content.active{display:block;}

/* ── Common: Upload zone ── */
.upload-zone{background:var(--surface);border:1.5px dashed var(--border);border-radius:var(--r);padding:28px 20px;text-align:center;cursor:pointer;transition:all .2s;position:relative;overflow:hidden;}
.upload-zone:hover{border-color:var(--accent);background:#1e1e1e;}
.upload-zone.dragover{border-color:var(--accent);background:rgba(232,255,71,.06);transform:scale(1.01);}
.upload-zone.loaded{border-style:solid;}
.upload-zone input[type="file"]{position:absolute;inset:0;opacity:0;cursor:pointer;}
.zone-icon{font-size:30px;margin-bottom:10px;}
.zone-lbl{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:2px;text-transform:uppercase;margin-bottom:6px;}
.zone-lbl.odd{color:var(--odd);} .zone-lbl.even{color:var(--even);}
.zone-title{font-size:14px;font-weight:500;margin-bottom:4px;}
.zone-hint{font-size:12px;color:var(--muted);}
.zone-meta{font-family:'Space Mono',monospace;font-size:11px;color:var(--muted);margin-top:8px;word-break:break-all;line-height:1.5;}
.zone-pages{display:inline-block;margin-top:6px;padding:2px 9px;border-radius:20px;font-family:'Space Mono',monospace;font-size:11px;font-weight:700;}
.odd .zone-pages{background:rgba(232,255,71,.15);color:var(--odd);}
.even .zone-pages{background:rgba(71,200,255,.15);color:var(--even);}

/* ── Common: Options panel ── */
.options-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:16px 20px;margin-bottom:20px;}
.options-title{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin-bottom:12px;}
.options-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.option-item{display:flex;align-items:center;gap:8px;cursor:pointer;}
.option-item input[type="radio"]{display:none;}
.radio-box{width:15px;height:15px;border:1.5px solid var(--border);border-radius:50%;position:relative;transition:border-color .15s;flex-shrink:0;}
.option-item input:checked+.radio-box{border-color:var(--accent);}
.option-item input:checked+.radio-box::after{content:'';position:absolute;top:3px;left:3px;width:5px;height:5px;border-radius:50%;background:var(--accent);}
.option-label{font-size:13px;} .option-sub{font-size:11px;color:var(--muted);}

/* ── Common: Buttons ── */
.btn{padding:10px 18px;border:none;border-radius:8px;font-family:'Space Mono',monospace;font-size:12px;font-weight:700;cursor:pointer;transition:all .15s;white-space:nowrap;}
.btn-primary{background:var(--accent);color:#0f0f0f;}
.btn-primary:hover:not(:disabled){background:#f5ff7a;}
.btn-ghost{background:var(--surface2);color:var(--text);border:1px solid var(--border);}
.btn-ghost:hover:not(:disabled){border-color:var(--accent);color:var(--accent);}
.btn-danger-soft{background:rgba(255,90,90,.1);color:#ff7070;border:1px solid rgba(255,90,90,.2);}
.btn-danger-soft:hover{background:rgba(255,90,90,.2);}
.btn-full{width:100%;padding:16px;font-size:13px;letter-spacing:1px;position:relative;overflow:hidden;}
.btn-full:disabled{background:var(--surface2);color:var(--muted);cursor:not-allowed;}
.btn-full.loading{color:transparent;}
.btn-full.loading::after{content:'';position:absolute;top:50%;left:50%;width:18px;height:18px;border:2px solid #0f0f0f;border-top-color:transparent;border-radius:50%;transform:translate(-50%,-50%);animation:spin .7s linear infinite;}

/* ── Common: Progress ── */
.progress-wrap{margin-top:14px;display:none;}
.progress-wrap.visible{display:block;}
.progress-bar{height:3px;background:var(--border);border-radius:2px;overflow:hidden;margin-bottom:6px;}
.progress-fill{height:100%;background:var(--accent);border-radius:2px;width:0%;transition:width .3s;}
.progress-text{font-family:'Space Mono',monospace;font-size:11px;color:var(--muted);}

/* ── Common: Result bar ── */
.result-bar{margin-top:16px;padding:16px 20px;background:rgba(232,255,71,.07);border:1px solid rgba(232,255,71,.25);border-radius:var(--r);display:none;align-items:center;gap:14px;flex-wrap:wrap;}
.result-bar.visible{display:flex;}
.result-icon{font-size:26px;}
.result-info{flex:1;min-width:100px;}
.result-name{font-weight:600;font-size:14px;margin-bottom:2px;}
.result-meta{font-family:'Space Mono',monospace;font-size:11px;color:var(--muted);}
.result-actions{display:flex;gap:8px;flex-shrink:0;}

/* ── Common: Error ── */
.error-msg{margin-top:10px;padding:10px 14px;background:rgba(255,80,80,.08);border:1px solid rgba(255,80,80,.2);border-radius:8px;font-size:13px;color:#ff7070;display:none;}
.error-msg.visible{display:block;}

/* ── Common: Chip preview ── */
.chip-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:16px 20px;margin-bottom:20px;display:none;}
.chip-box.visible{display:block;}
.chip-title{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin-bottom:12px;}
.chips{display:flex;flex-wrap:wrap;gap:5px;}
.chip{padding:3px 9px;border-radius:20px;font-family:'Space Mono',monospace;font-size:10px;font-weight:700;}
.chip.odd{background:rgba(232,255,71,.12);color:var(--odd);border:1px solid rgba(232,255,71,.2);}
.chip.even{background:rgba(71,200,255,.12);color:var(--even);border:1px solid rgba(71,200,255,.2);}
.chip.more{background:var(--surface2);color:var(--muted);border:1px solid var(--border);}
.legend{display:flex;gap:16px;margin-bottom:10px;flex-wrap:wrap;}
.legend-item{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--muted);}
.legend-dot{width:7px;height:7px;border-radius:50%;}

/* ── Tab A: interleave grid ── */
.interleave-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px;}
@media(max-width:520px){.interleave-grid{grid-template-columns:1fr;}}

/* ── Tab A: Thumb panel ── */
.thumb-panel{margin-top:24px;display:none;}
.thumb-panel.visible{display:block;animation:fadeUp .25s ease;}
.thumb-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;flex-wrap:wrap;gap:6px;}
.thumb-header-lbl{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);}
.thumb-status{font-family:'Space Mono',monospace;font-size:11px;color:var(--accent);}
.thumb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;}
.thumb-item{background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden;cursor:pointer;transition:all .18s;position:relative;}
.thumb-item:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.5);}
.thumb-item:hover .thumb-overlay{opacity:1;}
.thumb-canvas-wrap{background:#e8e8e8;min-height:80px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;}
.thumb-canvas-wrap canvas{display:block;width:100%;height:auto;}
.thumb-skeleton{position:absolute;inset:0;background:linear-gradient(90deg,#1e1e1e 25%,#282828 50%,#1e1e1e 75%);background-size:200% 100%;animation:shimmer 1.3s infinite;}
.thumb-overlay{position:absolute;inset:0;background:rgba(232,255,71,.12);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s;font-size:18px;}
.thumb-skew-badge{position:absolute;top:4px;right:4px;z-index:2;font-size:12px;background:rgba(0,0,0,.65);border-radius:5px;padding:2px 4px;display:none;}
.thumb-skew-badge.visible{display:block;}
.thumb-skew-angle{font-family:'Space Mono',monospace;font-size:9px;font-weight:700;padding:2px 5px;text-align:center;display:none;}
.thumb-skew-angle.warn{background:rgba(255,160,0,.85);color:#fff;display:block;}
.thumb-skew-angle.error{background:rgba(255,70,70,.85);color:#fff;display:block;}
.thumb-footer{padding:5px 8px;display:flex;align-items:center;justify-content:space-between;}
.thumb-num{font-family:'Space Mono',monospace;font-size:10px;color:var(--muted);font-weight:700;}
.thumb-src{font-family:'Space Mono',monospace;font-size:9px;padding:1px 6px;border-radius:10px;font-weight:700;}
.thumb-src.odd{background:rgba(232,255,71,.15);color:var(--odd);}
.thumb-src.even{background:rgba(71,200,255,.15);color:var(--even);}

/* ── Skew summary ── */
.skew-panel{margin-top:16px;display:none;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;}
.skew-panel.visible{display:block;animation:fadeUp .25s ease;}
.skew-panel-hdr{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);flex-wrap:wrap;gap:6px;}
.skew-panel-title{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);}
.skew-badges{display:flex;gap:6px;flex-wrap:wrap;}
.skew-badge{font-family:'Space Mono',monospace;font-size:10px;font-weight:700;padding:2px 9px;border-radius:20px;}
.skew-badge.warn{background:rgba(255,160,0,.15);color:var(--warn);border:1px solid rgba(255,160,0,.3);}
.skew-badge.error{background:rgba(255,70,70,.15);color:var(--danger);border:1px solid rgba(255,70,70,.3);}
.skew-list{padding:10px 14px;display:flex;flex-direction:column;gap:5px;max-height:220px;overflow-y:auto;}
.skew-row{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:7px;background:var(--surface2);cursor:pointer;transition:background .12s;}
.skew-row:hover{background:#2c2c2c;}
.skew-row-page{font-family:'Space Mono',monospace;font-size:11px;font-weight:700;color:var(--muted);min-width:30px;}
.skew-row-bar{flex:1;height:4px;background:var(--border);border-radius:2px;overflow:hidden;}
.skew-row-fill{height:100%;border-radius:2px;}
.skew-row-fill.warn{background:var(--warn);} .skew-row-fill.error{background:var(--danger);}
.skew-row-angle{font-family:'Space Mono',monospace;font-size:11px;font-weight:700;min-width:48px;text-align:right;}
.skew-row-angle.warn{color:var(--warn);} .skew-row-angle.error{color:var(--danger);}
.skew-row-src{font-family:'Space Mono',monospace;font-size:9px;padding:1px 6px;border-radius:10px;font-weight:700;flex-shrink:0;}
.skew-row-src.odd{background:rgba(232,255,71,.15);color:var(--odd);}
.skew-row-src.even{background:rgba(71,200,255,.15);color:var(--even);}

/* ═══════════════════════════════════
   TAB B — Sequential Merge
═══════════════════════════════════ */
.seq-drop-zone{background:var(--surface);border:2px dashed var(--border);border-radius:var(--r);padding:32px 20px;text-align:center;cursor:pointer;transition:all .2s;position:relative;margin-bottom:20px;}
.seq-drop-zone:hover,.seq-drop-zone.dragover{border-color:var(--accent);background:rgba(232,255,71,.04);}
.seq-drop-zone input[type="file"]{position:absolute;inset:0;opacity:0;cursor:pointer;}
.seq-drop-icon{font-size:32px;margin-bottom:10px;}
.seq-drop-title{font-size:15px;font-weight:600;margin-bottom:4px;}
.seq-drop-hint{font-size:12px;color:var(--muted);}

/* File list */
.seq-list{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.seq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;transition:box-shadow .2s;}
.seq-item.dragging{opacity:.4;}
.seq-item.drag-over{box-shadow:0 0 0 2px var(--accent);}

.seq-item-header{display:flex;align-items:center;gap:10px;padding:10px 14px;cursor:grab;}
.seq-item-header:active{cursor:grabbing;}
.seq-drag-handle{color:var(--muted);font-size:16px;flex-shrink:0;user-select:none;}
.seq-file-thumb{width:36px;height:46px;background:#e8e8e8;border-radius:4px;overflow:hidden;flex-shrink:0;display:flex;align-items:center;justify-content:center;}
.seq-file-thumb canvas{width:100%;height:100%;object-fit:cover;}
.seq-file-thumb .mini-skel{width:100%;height:100%;background:linear-gradient(90deg,#ccc 25%,#ddd 50%,#ccc 75%);background-size:200% 100%;animation:shimmer 1.3s infinite;}
.seq-file-info{flex:1;min-width:0;}
.seq-file-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.seq-file-pages{font-family:'Space Mono',monospace;font-size:10px;color:var(--muted);margin-top:2px;}
.seq-item-actions{display:flex;gap:6px;flex-shrink:0;}
.seq-icon-btn{background:none;border:none;cursor:pointer;padding:5px 7px;border-radius:6px;font-size:14px;color:var(--muted);transition:all .15s;}
.seq-icon-btn:hover{background:var(--surface2);color:var(--text);}
.seq-icon-btn.expand.open{color:var(--accent);}

/* Page strip */
.seq-page-strip{display:none;padding:10px 14px 14px;border-top:1px solid var(--border);background:var(--surface2);}
.seq-page-strip.open{display:block;}
.seq-strip-title{font-family:'Space Mono',monospace;font-size:9px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin-bottom:8px;}
.seq-page-grid{display:flex;flex-wrap:wrap;gap:6px;}
.seq-page-card{position:relative;cursor:pointer;border-radius:5px;overflow:hidden;border:2px solid var(--border);transition:all .15s;flex-shrink:0;width:52px;}
.seq-page-card:hover{border-color:var(--accent2);}
.seq-page-card.excluded{opacity:.35;border-color:var(--danger)!important;}
.seq-page-card.excluded::after{content:'✕';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--danger);background:rgba(0,0,0,.4);}
.seq-page-canvas-wrap{background:#e8e8e8;height:64px;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.seq-page-canvas-wrap canvas{width:100%;height:100%;object-fit:cover;}
.seq-page-footer{background:var(--surface);padding:2px 4px;display:flex;align-items:center;justify-content:space-between;}
.seq-page-num{font-family:'Space Mono',monospace;font-size:8px;color:var(--muted);}
.seq-rotate-btn{background:none;border:none;cursor:pointer;font-size:10px;color:var(--muted);padding:0 2px;line-height:1;}
.seq-rotate-btn:hover{color:var(--text);}

/* Seq result thumb panel */
.seq-result-thumbs{margin-top:24px;display:none;}
.seq-result-thumbs.visible{display:block;animation:fadeUp .25s ease;}

/* ── Lightbox (shared) ── */
.lightbox{position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.93);display:none;align-items:center;justify-content:center;}
.lightbox.open{display:flex;animation:fadeIn .15s ease;}
.lb-close-btn{position:fixed;top:18px;right:20px;z-index:10;width:38px;height:38px;border-radius:50%;background:var(--surface);border:1px solid var(--border);color:var(--text);font-size:16px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s;}
.lb-close-btn:hover{border-color:var(--accent);color:var(--accent);}
.lb-inner{display:flex;flex-direction:column;align-items:center;max-width:90vw;}
.lb-canvas-wrap{background:#fff;border-radius:4px;box-shadow:0 24px 64px rgba(0,0,0,.7);overflow:hidden;display:flex;align-items:center;justify-content:center;max-height:78vh;}
.lb-canvas-wrap canvas{display:block;max-width:85vw;max-height:78vh;width:auto;height:auto;}
.lb-spinner{width:120px;height:160px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-family:'Space Mono',monospace;font-size:11px;}
.lb-bar{display:flex;align-items:center;gap:12px;margin-top:12px;background:var(--surface);border:1px solid var(--border);border-radius:40px;padding:7px 16px;flex-wrap:wrap;justify-content:center;}
.lb-nav{background:none;border:none;color:var(--text);font-size:18px;cursor:pointer;padding:3px 8px;border-radius:6px;line-height:1;transition:background .12s;}
.lb-nav:hover:not(:disabled){background:var(--surface2);}
.lb-nav:disabled{color:var(--muted);cursor:default;}
.lb-info{font-family:'Space Mono',monospace;font-size:12px;color:var(--muted);min-width:60px;text-align:center;}
.lb-badge{font-family:'Space Mono',monospace;font-size:10px;padding:2px 8px;border-radius:10px;font-weight:700;}
.lb-badge.odd{background:rgba(232,255,71,.15);color:var(--odd);}
.lb-badge.even{background:rgba(71,200,255,.15);color:var(--even);}
.lb-badge.warn{background:rgba(255,160,0,.2);color:var(--warn);border:1px solid rgba(255,160,0,.4);}
.lb-badge.error{background:rgba(255,70,70,.2);color:var(--danger);border:1px solid rgba(255,70,70,.4);}
.lb-badge{display:none;}
.lb-badge.odd,.lb-badge.even{display:inline-block;}
.lb-skew{display:none;}
.lb-skew.warn,.lb-skew.error{display:inline-block;}

/* Divider */
.divider{display:flex;align-items:center;gap:10px;margin-bottom:20px;}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--border);}
.divider span{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);white-space:nowrap;}

/* ── Reset button ── */
.btn-reset{background:none;border:1px solid var(--border);color:var(--muted);font-family:'Space Mono',monospace;font-size:10px;letter-spacing:1px;padding:5px 12px;border-radius:20px;cursor:pointer;transition:all .15s;}
.btn-reset:hover{border-color:var(--danger);color:var(--danger);}

/* ── Tab A header row ── */
.tab-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.tab-section-title{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);}

/* ── Seq: insert zone between items ── */
.seq-insert-zone{height:0;overflow:hidden;transition:height .15s,opacity .15s;opacity:0;position:relative;}
.seq-insert-zone.active{height:36px;opacity:1;}
.seq-insert-zone-inner{position:absolute;inset:4px 0;border:2px dashed var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;background:rgba(232,255,71,.04);}
.seq-insert-zone-inner::after{content:'여기에 추가';font-family:'Space Mono',monospace;font-size:9px;letter-spacing:1px;color:var(--accent);text-transform:uppercase;}

/* ── Seq: list header row ── */
.seq-list-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;display:none;}
.seq-list-header.visible{display:flex;}
.seq-list-count{font-family:'Space Mono',monospace;font-size:10px;color:var(--muted);}

@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg);}}
@keyframes shimmer{to{background-position:-200% 0;}}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}

/* ── Scan-correction panel (shared) ── */
.corr-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:14px 18px;margin-bottom:24px;}
.corr-head{display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer;}
.corr-head-title{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--accent);}
.option-item input[type="checkbox"]{display:none;}
.check-box{width:15px;height:15px;border:1.5px solid var(--border);border-radius:4px;position:relative;transition:all .15s;flex-shrink:0;}
.option-item input[type="checkbox"]:checked+.check-box{border-color:var(--accent);background:var(--accent);}
.option-item input[type="checkbox"]:checked+.check-box::after{content:'';position:absolute;top:1px;left:5px;width:4px;height:8px;border:solid #0f0f0f;border-width:0 2px 2px 0;transform:rotate(45deg);}
.corr-body{display:none;margin-top:14px;border-top:1px solid var(--border);padding-top:14px;}
.corr-body.open{display:block;animation:fadeUp .2s ease;}
.corr-group{margin-bottom:16px;}
.corr-group:last-child{margin-bottom:0;}
.corr-group-label{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);margin-bottom:10px;}
.corr-note{font-size:11px;color:var(--warn);margin-top:10px;line-height:1.5;}
.corr-sub{display:none;margin-top:12px;padding:12px 14px;background:var(--surface2);border-radius:8px;}
.corr-sub.open{display:flex;flex-wrap:wrap;gap:18px;align-items:center;}
.corr-field{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);}
.opt-select{background:var(--surface3);color:var(--text);border:1px solid var(--border2);border-radius:6px;padding:5px 8px;font-family:'Space Mono',monospace;font-size:11px;cursor:pointer;}
.opt-range{accent-color:var(--accent);width:120px;}
.corr-qval{font-family:'Space Mono',monospace;font-size:11px;color:var(--accent);min-width:22px;}

/* ════════════════ v4 additions ════════════════ */
/* progress + cancel */
.progress-row{display:flex;align-items:center;gap:12px;}
.progress-row>.progress-bar-wrap{flex:1;}
.progress-cancel{flex-shrink:0;background:transparent;border:1px solid var(--border2);color:var(--muted);border-radius:6px;padding:5px 12px;font-family:'Space Mono',monospace;font-size:11px;cursor:pointer;transition:all .15s;}
.progress-cancel:hover{border-color:var(--danger);color:var(--danger);}

/* correction preview (representative pages → confirm) */
.corr-preview{display:none;margin-top:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:18px 20px;animation:fadeIn .2s ease;}
.corr-preview.visible{display:block;}
.corr-preview-hdr{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:5px;}
.corr-preview-sub{font-size:12px;color:var(--muted);line-height:1.6;margin-bottom:14px;}
.corr-preview-grid{display:flex;gap:14px;flex-wrap:wrap;}
.corr-preview-card{flex:1 1 120px;min-width:110px;max-width:200px;}
.corr-preview-card img{width:100%;border:1px solid var(--border2);border-radius:6px;background:#fff;display:block;}
.corr-preview-card .cap{font-family:'Space Mono',monospace;font-size:10px;color:var(--muted);margin-top:7px;text-align:center;line-height:1.5;}
.corr-preview-card .cap .pp-mode{color:var(--accent);}
.corr-preview-card .cap .pp-ang{color:var(--warn);}
.corr-preview-skel{width:100%;aspect-ratio:1/1.414;border:1px solid var(--border2);border-radius:6px;background:linear-gradient(90deg,var(--surface2),var(--surface3),var(--surface2));background-size:200% 100%;animation:shimmer 1.2s infinite;}
@keyframes shimmer{0%{background-position:200% 0;}100%{background-position:-200% 0;}}
.corr-preview-actions{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;}
.corr-preview-actions .btn{flex:1;min-width:140px;}